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| Mirrors > Home > ILE Home > Th. List > rngsubdi | GIF version | ||
| Description: Ring multiplication distributes over subtraction. (subdi 8706 analog.) (Contributed by Jeff Madsen, 19-Jun-2010.) (Revised by Mario Carneiro, 2-Jul-2014.) Generalization of ringsubdi 14344. (Revised by AV, 23-Feb-2025.) |
| Ref | Expression |
|---|---|
| rngsubdi.b | ⊢ 𝐵 = (Base‘𝑅) |
| rngsubdi.t | ⊢ · = (.r‘𝑅) |
| rngsubdi.m | ⊢ − = (-g‘𝑅) |
| rngsubdi.r | ⊢ (𝜑 → 𝑅 ∈ Rng) |
| rngsubdi.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| rngsubdi.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| rngsubdi.z | ⊢ (𝜑 → 𝑍 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| rngsubdi | ⊢ (𝜑 → (𝑋 · (𝑌 − 𝑍)) = ((𝑋 · 𝑌) − (𝑋 · 𝑍))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rngsubdi.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Rng) | |
| 2 | rngsubdi.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 3 | rngsubdi.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 4 | rngsubdi.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑅) | |
| 5 | eqid 2238 | . . . . 5 ⊢ (invg‘𝑅) = (invg‘𝑅) | |
| 6 | rnggrp 14220 | . . . . . 6 ⊢ (𝑅 ∈ Rng → 𝑅 ∈ Grp) | |
| 7 | 1, 6 | syl 14 | . . . . 5 ⊢ (𝜑 → 𝑅 ∈ Grp) |
| 8 | rngsubdi.z | . . . . 5 ⊢ (𝜑 → 𝑍 ∈ 𝐵) | |
| 9 | 4, 5, 7, 8 | grpinvcld 13837 | . . . 4 ⊢ (𝜑 → ((invg‘𝑅)‘𝑍) ∈ 𝐵) |
| 10 | eqid 2238 | . . . . 5 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 11 | rngsubdi.t | . . . . 5 ⊢ · = (.r‘𝑅) | |
| 12 | 4, 10, 11 | rngdi 14222 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ ((invg‘𝑅)‘𝑍) ∈ 𝐵)) → (𝑋 · (𝑌(+g‘𝑅)((invg‘𝑅)‘𝑍))) = ((𝑋 · 𝑌)(+g‘𝑅)(𝑋 · ((invg‘𝑅)‘𝑍)))) |
| 13 | 1, 2, 3, 9, 12 | syl13anc 1280 | . . 3 ⊢ (𝜑 → (𝑋 · (𝑌(+g‘𝑅)((invg‘𝑅)‘𝑍))) = ((𝑋 · 𝑌)(+g‘𝑅)(𝑋 · ((invg‘𝑅)‘𝑍)))) |
| 14 | 4, 11, 5, 1, 2, 8 | rngmneg2 14230 | . . . 4 ⊢ (𝜑 → (𝑋 · ((invg‘𝑅)‘𝑍)) = ((invg‘𝑅)‘(𝑋 · 𝑍))) |
| 15 | 14 | oveq2d 6095 | . . 3 ⊢ (𝜑 → ((𝑋 · 𝑌)(+g‘𝑅)(𝑋 · ((invg‘𝑅)‘𝑍))) = ((𝑋 · 𝑌)(+g‘𝑅)((invg‘𝑅)‘(𝑋 · 𝑍)))) |
| 16 | 13, 15 | eqtrd 2271 | . 2 ⊢ (𝜑 → (𝑋 · (𝑌(+g‘𝑅)((invg‘𝑅)‘𝑍))) = ((𝑋 · 𝑌)(+g‘𝑅)((invg‘𝑅)‘(𝑋 · 𝑍)))) |
| 17 | rngsubdi.m | . . . . 5 ⊢ − = (-g‘𝑅) | |
| 18 | 4, 10, 5, 17 | grpsubval 13834 | . . . 4 ⊢ ((𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) → (𝑌 − 𝑍) = (𝑌(+g‘𝑅)((invg‘𝑅)‘𝑍))) |
| 19 | 3, 8, 18 | syl2anc 415 | . . 3 ⊢ (𝜑 → (𝑌 − 𝑍) = (𝑌(+g‘𝑅)((invg‘𝑅)‘𝑍))) |
| 20 | 19 | oveq2d 6095 | . 2 ⊢ (𝜑 → (𝑋 · (𝑌 − 𝑍)) = (𝑋 · (𝑌(+g‘𝑅)((invg‘𝑅)‘𝑍)))) |
| 21 | 4, 11 | rngcl 14226 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 · 𝑌) ∈ 𝐵) |
| 22 | 1, 2, 3, 21 | syl3anc 1278 | . . 3 ⊢ (𝜑 → (𝑋 · 𝑌) ∈ 𝐵) |
| 23 | 4, 11 | rngcl 14226 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) → (𝑋 · 𝑍) ∈ 𝐵) |
| 24 | 1, 2, 8, 23 | syl3anc 1278 | . . 3 ⊢ (𝜑 → (𝑋 · 𝑍) ∈ 𝐵) |
| 25 | 4, 10, 5, 17 | grpsubval 13834 | . . 3 ⊢ (((𝑋 · 𝑌) ∈ 𝐵 ∧ (𝑋 · 𝑍) ∈ 𝐵) → ((𝑋 · 𝑌) − (𝑋 · 𝑍)) = ((𝑋 · 𝑌)(+g‘𝑅)((invg‘𝑅)‘(𝑋 · 𝑍)))) |
| 26 | 22, 24, 25 | syl2anc 415 | . 2 ⊢ (𝜑 → ((𝑋 · 𝑌) − (𝑋 · 𝑍)) = ((𝑋 · 𝑌)(+g‘𝑅)((invg‘𝑅)‘(𝑋 · 𝑍)))) |
| 27 | 16, 20, 26 | 3eqtr4d 2281 | 1 ⊢ (𝜑 → (𝑋 · (𝑌 − 𝑍)) = ((𝑋 · 𝑌) − (𝑋 · 𝑍))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1402 ∈ wcel 2209 ‘cfv 5375 (class class class)co 6079 Basecbs 13335 +gcplusg 13414 .rcmulr 13415 Grpcgrp 13788 invgcminusg 13789 -gcsg 13790 Rngcrng 14214 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-i2m1 8278 ax-0lt1 8279 ax-0id 8281 ax-rnegex 8282 ax-pre-ltirr 8285 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-1st 6368 df-2nd 6369 df-pnf 8356 df-mnf 8357 df-ltxr 8359 df-inn 9288 df-2 9346 df-3 9347 df-ndx 13338 df-slot 13339 df-base 13341 df-sets 13342 df-plusg 13427 df-mulr 13428 df-0g 13595 df-mgm 13659 df-sgrp 13700 df-mnd 13713 df-grp 13791 df-minusg 13792 df-sbg 13793 df-abl 14073 df-mgp 14201 df-rng 14215 |
| This theorem is referenced by: 2idlcpblrng 14843 |
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